Transaction not yet indexed

56UwNcJMHdt77TJmvybHfi11mff3CpRb8wUGdb5yaWmqQVoPLVcWfo9NTLWR4Yi6VCbQBYiiZD6rFcE8t8mGsCP6

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.